18 points to millimeters
18 pt = 6.35 mm
Result
Precision (significant figures)
Formula
mm = pt × 0.352778
1 pt = 0.352778 mm
How it’s calculated
- Start with 18 pt.
- Multiply by 0.352778 (mm per pt): 18 × 0.352778 = 6.35 mm.
Where you’ll see 18 pt
WCAG treats regular text at 18 pt (24 CSS pixels) or larger as large text, and 18 pt is a common minimum for large-print documents.
Nearby values
| points (pt) | millimeters (mm) |
|---|---|
| 6 pt | 2.11667 mm |
| 8 pt | 2.82222 mm |
| 9 pt | 3.175 mm |
| 10 pt | 3.52778 mm |
| 11 pt | 3.88056 mm |
| 12 pt | 4.23333 mm |
| 14 pt | 4.93889 mm |
| 16 pt | 5.64444 mm |
| 18 pt | 6.35 mm |
| 20 pt | 7.05556 mm |
| 24 pt | 8.46667 mm |
| 28 pt | 9.87778 mm |
The other way
6.35 mm = 18 pt, and 1 mm = 2.83465 pt. Use the millimeters to points converter for any value.
Formula, full chart and common mistakes: Points to Millimeters converter · How we check values · Report a problem with this page